2211112013031 has 6 divisors (see below), whose sum is σ = 3193828463280. Its totient is φ = 1474074675348.

The previous prime is 2211112012981. The next prime is 2211112013051. The reversal of 2211112013031 is 1303102111122.

It is not a de Polignac number, because 2211112013031 - 2¹⁹ = 2211111488743 is a prime.

It is a super-2 number, since 2×2211112013031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211112012995 and 2211112013013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211112013051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122839556271 + ... + 122839556288.

It is an arithmetic number, because the mean of its divisors is an integer number (532304743880).

Almost surely, 2^{2211112013031} is an apocalyptic number.

2211112013031 is a deficient number, since it is larger than the sum of its proper divisors (982716450249).

2211112013031 is a wasteful number, since it uses less digits than its factorization.

2211112013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245679112565 (or 245679112562 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2211112013031 its reverse (1303102111122), we get a palindrome (3514214124153).

The spelling of 2211112013031 in words is "two trillion, two hundred eleven billion, one hundred twelve million, thirteen thousand, thirty-one".